[lmm]

> By the way, there’s no requirement that your hanko matches your name and they only need to be registered for large purchases, like a house or for business use.

There is a requirement for it to match your name (or registered alias) if you want to register it as a 実印, no?

[innocenat]

GP seems to be talking about 銀行印

[lmm]

When they say "only need to be registered for large purchases, like a house", they're talking about a 実印 - a 銀行印 is not "registered" in that sense (it will be on file at the bank, of course).